What is the size of the orifice for a small orifice sprinkler?

The size of the orifice for a small orifice sprinkler is defined as smaller than 1/2". This classification allows these sprinklers to provide a fine, targeted spray suitable for specific applications, particularly in areas where water distribution needs to be carefully managed. Small orifice sprinklers are commonly used in situations such as residential gardens or in areas with limited space to manage water flow effectively.

Choosing "smaller than 1/2"" accurately captures the intended design of small orifice sprinklers, which are specifically engineered to deliver lower flow rates while maintaining adequate coverage. This aspect is crucial in ensuring that the system efficiently uses water without overwhelming the surrounding area, which could lead to over-saturation or runoff.

The other options describe orifice sizes that either do not align with the established definition of small orifice sprinklers or fall outside the specified range, which would not reflect the design standards typically recognized in those systems. Thus, the correct choice aligns with the criteria set for small orifice sprinklers, emphasizing their function and application in irrigation systems.